Hundreds of millions of dollars have surged into the US's only marijuana ETF amid the cannabis craze (MJ)

Andy Kierz/Business Insider The only marijuana ETF in the US has seen massive inflows amid the cannabis craze. Over the past month alone, MJ saw inflows of more than $139 million. The funds' total market value has skyrocketed nearly ten-fold since it pivoted to marijuana from real estate. FollowETFMG’s Alternative Harvest ETFin real-time here. Weed stocks have been on fire recently, and for US investors not wanting to pick a single name, there’s only one exchange-traded fund option. ETFMG’...